7673979442816 has 16 divisors (see below), whose sum is σ = 15288005921490. Its totient is φ = 3836989721344.

The previous prime is 7673979442793. The next prime is 7673979442817. The reversal of 7673979442816 is 6182449793767.

It can be written as a sum of positive squares in only one way, i.e., 5397815822400 + 2276163620416 = 2323320^2 + 1508696^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (7673979442817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29976482071 + ... + 29976482326.

Almost surely, 2^{7673979442816} is an apocalyptic number.

It is an amenable number.

7673979442816 is a deficient number, since it is larger than the sum of its proper divisors (7614026478674).

7673979442816 is an equidigital number, since it uses as much as digits as its factorization.

7673979442816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59952964411 (or 59952964399 counting only the distinct ones).

The product of its digits is 768144384, while the sum is 73.

The spelling of 7673979442816 in words is "seven trillion, six hundred seventy-three billion, nine hundred seventy-nine million, four hundred forty-two thousand, eight hundred sixteen".